package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {

    @Autowired
    private CategoryService categoryService;

    /**
     * 新增分类
     *
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody Category category) {
        log.info("新增分类,category:{}", category);
        categoryService.save(category);
        return R.success("新增分类成功");
    }

    /**
     * 分类信息分页查询
     *
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize) {
        Page pageInfo = new Page(page, pageSize);

        LambdaQueryWrapper<Category> lqw = new LambdaQueryWrapper<>();
        lqw.orderByAsc(Category::getSort);

        categoryService.page(pageInfo, lqw);
        return R.success(pageInfo);
    }

    /**
     * 根据id删除分类
     *
     * @param id
     * @return
     */
    @DeleteMapping
    public R<String> delete(Long id) {
        log.info("删除分类,分类id:{}", id);
        categoryService.remove(id);
        return R.success("删除分类成功");
    }

    /**
     * 修改分类
     *
     * @param category
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody Category category) {
        log.info("修改分类信息:{}", category);
        categoryService.updateById(category);
        return R.success("修改分类信息成功");
    }

    /**
     * 分类条件查询
     *
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> list(Category category) {
        //创建条件构造器
        LambdaQueryWrapper<Category> lqw = new LambdaQueryWrapper<>();
        //设置查询条件
        lqw.eq(category.getType() != null, Category::getType, category.getType());
        //设置排序条件
        lqw.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);
        List<Category> list = categoryService.list(lqw);
        return R.success(list);
    }

}
